C Colodro-Conde
YOU?
Author Swipe
View article: Euclid Quick Data Release (Q1). Active galactic nuclei identification using diffusion-based inpainting of Euclid VIS images
Euclid Quick Data Release (Q1). Active galactic nuclei identification using diffusion-based inpainting of Euclid VIS images Open
Light emission from galaxies exhibit diverse brightness profiles, influenced by factors such as galaxy type, structural features, and interactions with other galaxies. Elliptical galaxies feature more uniform light distributions, while spi…
View article: Euclid preparation. Methodology for validating the Euclid Catalogue of Galaxy Clusters using external data
Euclid preparation. Methodology for validating the Euclid Catalogue of Galaxy Clusters using external data Open
We present our methodology for identifying known clusters as counterparts to objects in the Euclid Catalogue of Galaxy Clusters (ECGC). Euclid is expected to detect a large number of optically-selected galaxy clusters over the approximatel…
View article: Euclid Quick Data Release (Q1). Optical and near-infrared identification and classification of point-like X-ray selected sources
Euclid Quick Data Release (Q1). Optical and near-infrared identification and classification of point-like X-ray selected sources Open
To better understand the role of active galactic nuclei (AGN) in galaxy evolution, it is crucial to work with a complete and pure AGN sample. X-ray surveys are key to doing so, but their larger positional uncertainties complicate counterpa…
View article: Euclid Quick Data Release (Q1). The active galaxies of Euclid
Euclid Quick Data Release (Q1). The active galaxies of Euclid Open
We present three catalogues of candidate active galactic nuclei (AGN) in the Euclid Quick Release (Q1) fields. For each Euclid source, we collected multi-wavelength photometric and spectroscopic information from surveys such as the Galaxy …
View article: Euclid VI. NISP-P optical ghosts
Euclid VI. NISP-P optical ghosts Open
The Near-Infrared Spectrometer and Photometer (NISP) onboard Euclid includes several optical elements in its path, which introduce artefacts into the data from non-nominal light paths. To ensure uncontaminated source photometry, these arte…
View article: Euclid Quick Data Release (Q1). Galaxy shapes and alignments in the cosmic web
Euclid Quick Data Release (Q1). Galaxy shapes and alignments in the cosmic web Open
Galaxy morphologies and shape orientations are expected to correlate with their large-scale environments, since they grow by accreting matter from the cosmic web and are subject to interactions with other galaxies. We extracted cosmic fila…
View article: <i>Euclid</i>: Early Release Observations of diffuse stellar structures and globular clusters as probes of the mass assembly of galaxies in the Dorado group
<i>Euclid</i>: Early Release Observations of diffuse stellar structures and globular clusters as probes of the mass assembly of galaxies in the Dorado group Open
Deep surveys have helped to unveil the history of past and present galaxy mergers, and, in particular, uncovering their tidal debris and co-located globular clusters (GCs). Euclid ’s unique combination of capabilities (spatial resolution, …
View article: Euclid preparation. The impact of redshift interlopers on the two-point correlation function analysis
Euclid preparation. The impact of redshift interlopers on the two-point correlation function analysis Open
The Euclid survey aims to measure the spectroscopic redshift of emission-line galaxies by identifying the H$\,α$ line in their slitless spectra. This method is sensitive to the signal-to-noise ratio of the line, as noise fluctuations or ot…
View article: <i>Euclid</i>: Early Release Observations
<i>Euclid</i>: Early Release Observations Open
Intracluster light (ICL) provides a record of the dynamical interactions undergone by clusters, giving clues on cluster formation and evolution. Here, we analyse the properties of ICL in the massive cluster Abell 2390 at redshift z = 0.228…
View article: <i>Euclid</i> preparation
<i>Euclid</i> preparation Open
The intracluster light (ICL) permeating galaxy clusters is a tracer of the cluster assembly history and potentially a tracer of their dark matter structure. In this work, we explore the capability of the Euclid Wide Survey to detect ICL us…
View article: Euclid Quick Data Release (Q1) Ultracool dwarfs in the Euclid Deep Field North
Euclid Quick Data Release (Q1) Ultracool dwarfs in the Euclid Deep Field North Open
Ultracool dwarfs (UCDs) encompass the lowest mass stars and brown dwarfs, defining the stellar substellar boundary. They have significant potential for advancing the understanding of substellar physics; however, these objects are challengi…
View article: Euclid Quick Data Release (Q1). LEMON -- Lens Modelling with Neural networks. Automated and fast modelling of Euclid gravitational lenses with a singular isothermal ellipsoid mass profile
Euclid Quick Data Release (Q1). LEMON -- Lens Modelling with Neural networks. Automated and fast modelling of Euclid gravitational lenses with a singular isothermal ellipsoid mass profile Open
The Euclid mission aims to survey around 14000 deg^{2} of extragalactic sky, providing around 10^{5} gravitational lens images. Modelling of gravitational lenses is fundamental to estimate the total mass of the lens galaxy, along with its …
View article: Euclid Quick Data Release (Q1) The Strong Lensing Discovery Engine B -- Early strong lens candidates from visual inspection of high velocity dispersion galaxies
Euclid Quick Data Release (Q1) The Strong Lensing Discovery Engine B -- Early strong lens candidates from visual inspection of high velocity dispersion galaxies Open
We present a search for strong gravitational lenses in Euclid imaging with high stellar velocity dispersion ($\sigma_\nu > 180$ km/s) reported by SDSS and DESI. We performed expert visual inspection and classification of $11\,660$ \Euclid …
View article: Euclid Quick Data Release (Q1). The Strong Lensing Discovery Engine E -- Ensemble classification of strong gravitational lenses: lessons for Data Release 1
Euclid Quick Data Release (Q1). The Strong Lensing Discovery Engine E -- Ensemble classification of strong gravitational lenses: lessons for Data Release 1 Open
The Euclid Wide Survey (EWS) is expected to identify of order $100\,000$ galaxy-galaxy strong lenses across $14\,000$deg$^2$. The Euclid Quick Data Release (Q1) of $63.1$deg$^2$ Euclid images provides an excellent opportunity to test our l…
View article: Euclid Quick Data Release (Q1): The evolution of the passive-density and morphology-density relations between $z=0.25$ and $z=1$
Euclid Quick Data Release (Q1): The evolution of the passive-density and morphology-density relations between $z=0.25$ and $z=1$ Open
The extent to which the environment affects galaxy evolution has been under scrutiny by researchers for decades. With the first data from Euclid, we can begin to study a wide range of environments and their effects as a function of redshif…
View article: Euclid Quick Data Release (Q1). NIR processing and data products
Euclid Quick Data Release (Q1). NIR processing and data products Open
This paper describes the near-infrared processing function (NIR PF) that processes near-infrared images from the Near-Infrared Spectrometer and Photometer (NISP) instrument onboard the Euclid satellite. NIR PF consists of three main compon…
View article: Euclid Quick Data Release (Q1). An investigation of optically faint, red objects in the Euclid Deep Fields
Euclid Quick Data Release (Q1). An investigation of optically faint, red objects in the Euclid Deep Fields Open
Our understanding of cosmic star-formation at $z>3$ used to largely rely on rest-frame UV observations. However, these observations overlook dusty and massive sources, resulting in an incomplete census of early star-forming galaxies. Recen…
View article: Euclid Quick Data Release (Q1) First study of red quasars selection
Euclid Quick Data Release (Q1) First study of red quasars selection Open
Red quasars constitute an important but elusive phase in the evolution of supermassive black holes, where dust obscuration can significantly alter their observed properties. They have broad emission lines, like other quasars, but their opt…
View article: <i>Euclid</i> preparation
<i>Euclid</i> preparation Open
The Euclid mission is generating a vast amount of imaging data in four broadband filters at a high angular resolution. This data will allow for the detailed study of mass, metallicity, and stellar populations across galaxies that will cons…
View article: Euclid preparation LX. The use of HST images as input for weak-lensing image simulations
Euclid preparation LX. The use of HST images as input for weak-lensing image simulations Open
Data from the Euclid space telescope will enable cosmic shear measurements with very small statistical errors, requiring corresponding systematic error control level. A common approach to correct for shear biases involves calibrating shape…
View article: Euclid preparation - LXVIII. Extracting physical parameters from galaxies with machine learning
Euclid preparation - LXVIII. Extracting physical parameters from galaxies with machine learning Open
The Euclid mission is generating a vast amount of imaging data in four broadband filters at high angular resolution. This will allow the detailed study of mass, metallicity, and stellar populations across galaxies, which will constrain the…
View article: Euclid preparation - LXII. Simulations and non-linearities beyond Lambda cold dark matter. 1. Numerical methods and validation
Euclid preparation - LXII. Simulations and non-linearities beyond Lambda cold dark matter. 1. Numerical methods and validation Open
To constrain models beyond $Λ$CDM, the development of the Euclid analysis pipeline requires simulations that capture the nonlinear phenomenology of such models. We present an overview of numerical methods and $N$-body simulation codes deve…
View article: <i>Euclid</i>: The <i>r</i><sub>b</sub>−<i>M</i><sub>*</sub> relation as a function of redshift
<i>Euclid</i>: The <i>r</i><sub>b</sub>−<i>M</i><sub>*</sub> relation as a function of redshift Open
Core ellipticals, which are massive early-type galaxies with almost constant inner surface brightness profiles, are the result of dry mergers. During these events, a binary black hole (BBH) is formed, destroying the original cuspy central …
View article: Euclid: Relativistic effects in the dipole of the 2-point correlation function
Euclid: Relativistic effects in the dipole of the 2-point correlation function Open
Gravitational redshift and Doppler effects give rise to an antisymmetric component of the galaxy correlation function when cross-correlating two galaxy populations or two different tracers. In this paper, we assess the detectability of the…
View article: Performance of the image persistence model for Euclid infrared detectors
Performance of the image persistence model for Euclid infrared detectors Open
Large-format infrared detectors are at the heart of major ground and space-based astronomical instruments, and the HgCdTe HxRG is the most widely used. The Near Infrared Spectrometer and Photometer (NISP) of the ESA’s Euclid mission launch…
View article: Euclid preparation LXIII. Simulations and nonlinearities beyond $Λ$CDM. 2. Results from non-standard simulations
Euclid preparation LXIII. Simulations and nonlinearities beyond $Λ$CDM. 2. Results from non-standard simulations Open
The Euclid mission will measure cosmological parameters with unprecedented precision. To distinguish between cosmological models, it is essential to generate realistic mock observables from cosmological simulations that were run in both th…
View article: Euclid preparation. LIX. Angular power spectra from discrete observations
Euclid preparation. LIX. Angular power spectra from discrete observations Open
We present the framework for measuring angular power spectra in the Euclid mission. The observables in galaxy surveys, such as galaxy clustering and cosmic shear, are not continuous fields, but discrete sets of data, obtained only at the p…
View article: Euclid Preparation. Cosmic Dawn Survey: Data release 1 multiwavelength catalogues for Euclid Deep Field North and Euclid Deep Field Fornax
Euclid Preparation. Cosmic Dawn Survey: Data release 1 multiwavelength catalogues for Euclid Deep Field North and Euclid Deep Field Fornax Open
The Cosmic Dawn Survey (DAWN survey) provides multiwavelength (UV/optical to mid-IR) data across the combined 59 deg$^{2}$ of the Euclid Deep and Auxiliary fields (EDFs and EAFs). Here, the first public data release (DR1) from the DAWN sur…